Light fixture base



FIG. 1 is a top and left side isometric view of a light fixture base embodying my new design;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross sectional view taken along the line 3-3 of FIG. 2;

FIG. 4 is a cross sectional view taken along the line 4-4 of FIG. 2;

FIG. 5 is a right side view of FIG. 2;

FIG. 6 is a front side view of FIG. 2, the rear side view being a mirror image thereof;

FIG. 7 is a left side view of FIG. 2; and,

FIG. 8 is a bottom view of FIG. 2. 

CLAIM The ornamental design for a light fixture base, as shown and described. 